有关节约用水的英语作文

　　节约用水（SavingWater）
　　Theworldisnotonlyhungry，butalsothirstyforwater。Thismayseemstrangetoyou，sincenearly75oftheearth39；ssurfaceiscoveredwithwater。Butabout97ofthishugeamountisseawater，orsaltwater。Mancanonlydrinkandusetheother3thefreshwaterthatcomesfromrivers，lakes，underground，andothersources。Andwecannotevenuseallofthat，becausesomeofitisintheformoficebergsandglaciers。Evenworse，someofithasbeenpolluted。
　　However，asthingsstandtoday，thissmallamountoffreshwater，whichisconstantlybeingreplacedbyrainfall，isstillenoughforus。Butourneedforwaterisincreasingrapidlyalmostdaybyday。Onlyifwetakestepstodealwiththisproblemnowcanweavoidasevereworldwidewatershortagelateron。Alimitedwatersupplywouldhaveabadeffectonagricultureandindustry。Letmegiveyoujustonesmallexampieofhownecessarywateristoindustry。Didyouknowthattoproduceasingletonofsteel，ittakesabout91，000litersofwater？
　　Weallhavetolearnhowtostopwastingourpreciouswater。Oneofthefirststepsweshouldtakeistodevelopwaysofreusingit。Experimentshavealreadybeendoneinthisfield，butonlyonasmallscale。Forus，thesystemsareasimportantasthespacecraft。
　　节约用水的重要性（Importanttosavewater）
　　Waterisakindofliquid。Ithasnotasteorsmell。Itistransparent，too。Waterisusefulandisimportanttous。Why？Forexample，weusewatertowatertheplants。Weusewatertowashourfaceortohaveabath。Wedrinkwaterorwewilldiehellip；WaterisalsoveryimportantforChina。Thereare2。8hundredmillionsofsteresofwaterinChina，buteveryonecanonlyuse2300steres。Itisonlytwentyndash；fivepersentintheworld。
　　Nottoolongago，therewasamancalledJacquesCousteau。Helovedthebeautifulcolors，andthebeautifulfishinthesea。However，whenhereturnedsomeyearslater，thecolorfulcoralreefsweredeadandgreybecausethefactoryneartheseapouredwastewaterintothesea。JacquesCousteaudecidedtotellpeoplehowimportantitwastosavetheenvironmentunderthesea。Hestartedtheldquo；CousteauSocietyrdquo；tohelpprotectlifeinthesea。Nowthereareover30000membersallovertheworld。Sincewatercoversmostoftheearth，Cousteauknewthatweshouldkeeptheseaclean。Weshouldnotlitterthesea，andshouldcleanupthedirtyparts。Aswaterisveryimportanttoourenvironment，heencouragedeveryonetotakepartinprotectingourlakes，rivers，seaandocean。
　　Therearestillafewpeoplewhoarenotprotectingthewaternowintheworld。Forexample，somefactoriespourwastethingsintotherivers，lakesorintotheseanearby。Thewatertherehasbecomeverydirtyandwecanrsquo；tusethematall。Althoughthereareseventyndash；fivepersentofwaterintheworld，wecanonlyusefreshwater，thatthereisonlyalittle。Soweshoulduselittlewaterwhenweneedtouseit。Forexample，IdonotusetoomuchwaterwhenIamwashingmyfaceorhavingabathhellip；Itisimportantforustokeepthewaterclean。Youmayaskyourself，haveIeverpouredorthrowndirtythingsintothewater？Ifyouranswerisldquo；Nordquo；，thatmeansyouhavealreadyhelpedtoprotecttheenvironment。Itisourdutytoprotecttheenvironment。Youmayaskyourselfagain，haveIeverhelpedtocleanupthewater？Ifyouranswerisldquo；Yesrdquo；，thatmeansthatyouhavealreadydonesomethingusefultoimprovethewater。Ifweuseupallthewater，itisdifficultforustogetitfromanywhere，includingtheuniverse。Itisterribletothinkthatpeoplearetoothirstytolive！Ibelieve，thatifeveryonehelpstoprotectthewater，thewatermustbeprotected。Youdonotwanttoldquo；killrdquo；yoursonoryourgrandson，doyou？Sonowletustoprotectthewater！Pleasedonrsquo；tletthelastdropofwaterontheearthiswehumanrsquo；stear！
　　节约用水的必要性（TheNecessityofSavingWater）
　　Withtheincreasinglyseriousshortageofwaterresources，protectingwaterresourcesandwaterconservationshasbecomeanurgenttaskforhumanbeings。Ifwedonotcherishthewater，thenthelastdropofwaterinearthwouldbeourtears。Atpresent，somecountriesarefacingwithwatershortage，andtherearemorethanonebillionpeoplecanrsquo；tdrinkcleanwater。Therefore，waterconservationmustbeattachedmoreattentionthaneverbefore。Theproblemofwatershortageoftheurbanpopulationhasbecomeincreasinglyprominent。Somepeoplemaythinkthatwecandonothingforwaterconservationoroureffortsmakenousetoit。However，greatthingsmaybedonebymasseffort。Aslongaseachofushasthesenseofwaterconservationandtakeactions，wecanseehugechanges。
　　随着水资源短缺不断加剧，保护水资源和节约用水已经成为人类的一项紧急任务。如果我们不珍惜水，地球上的最后一滴水就是我们的眼泪。目前，一些国家正面临着水资源的短缺，超过十亿人口喝不到干净的水。因此，我们必须比以前更注意节约用水。城市人口水资源短缺问题已经日益突出。有的人可能认为我们不能为节约用水做些什么，或是我们的努力对此没有用。但是，伟大的事情是从很多努力而来的。只要我们每个人都有节约用水的意识并行的起来，我们就可以看到巨大改变。